title: Inverted upper gastrointestinal endoscope in the esophagus: technique of endoscopic straightening with an auxiliary instrument.
authors.affiliation: Medizinische Klinik III, Klinikum der Rheinisch-Westfaelischen Technischen Hochschule, Aachen, West Germany.
authors.forename: H J
authors.initials: HJ
authors.lastname: Thon
authors.forename: M M
authors.initials: MM
authors.lastname: Lerch
authors.forename: S
authors.initials: S
authors.lastname: Matern
mesh_terms: D000328:Adult; D016099:Endoscopy, Gastrointestinal / Q000009:adverse effects* / Q000379:methods; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography